The study of multiple surviving versions of the same text with the aim of reconstructing a lost original.(noun)
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Use "stemmatics" in a sentence
"I tend to think that only people doing stemmatics and philology get it right because no claim to the "right" reading can be confirmed or rejected."
"Indeed, it has not borrowed its concepts from classical stemmatics or even from phylogenetics in biology, which have been tested and found to be robust over many different applications."